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-rw-r--r--fpdfsdk/include/fpdfview.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/fpdfsdk/include/fpdfview.h b/fpdfsdk/include/fpdfview.h
index 2ae1d1f5b9..d99826350d 100644
--- a/fpdfsdk/include/fpdfview.h
+++ b/fpdfsdk/include/fpdfview.h
@@ -741,19 +741,19 @@ DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,FPDF_
// Function: FPDF_GetNamedDest
// Get the specified named destinations of the PDF document by index.
// Parameters:
-// document - Handle to a document
-// index - The index of named destination.
-// buffer - The buffer to obtain destination name, used as wchar_t*.
-// buflen - The length of the buffer in byte.
+// document - Handle to a document
+// index - The index of named destination.
+// buffer - The buffer to obtain destination name, used as wchar_t*.
+// buflen [in/out] - Size of the buffer in bytes on input, length of the result in bytes on output or -1 if the buffer is too small.
// Return value:
-// The destination handle of a named destination, NULL when retrieving the length.
+// The destination handle of a named destination, or NULL if no named destination corresponding to |index|.
// Comments:
// Call this function twice to get the name of the named destination:
// 1) First time pass in |buffer| as NULL and get buflen.
// 2) Second time pass in allocated |buffer| and buflen to retrieve |buffer|, which should be used as wchar_t*.
-// If buflen is not sufficiently large, it will be returned as -1.
+// If buflen is not sufficiently large, it will be set to -1 upon return.
//
-DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document, int index, void* buffer, unsigned long& buflen);
+DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document, int index, void* buffer, long& buflen);
// Function: FPDF_BStr_Init
// Helper function to initialize a byte string.